Ribbon mechanism for type-writing machines.



E. B. HESS.

RIBBON MBCHANISM FOB. TYPE WRITING -MACHINES.

APlfLIoMqIoN FILED JUNE 15, 1912. 1, 1 30,401

.Patented Mar.2,1915.

2 SHEETS-SHEET 2.

ula/1d j "i, i

EDWAR .'B. HESS, 0F NEW' YORK, N. Y., ASSGNGR, BY MESNE ASSIGNMENTS, T0 ROYAL TYPEWRITER COMPANY, NC., 0E NEVIy AYGZRK," N. Y., A. CORPORATIGN 0F .NEW YORK.

RIBBON MECHANISM TYPE-WRITIN MACHIES.

Specification of Letters Patent.

retient-ea nar. a, isis.

Application filed .T une 15, 1912. Serial No. 703,772.

State of N ew York, have invented a certainnew and useful Improvement in fRibbon Mechanism for '.lype-lVriting Machines, of which the following is a specification.

This invention relates to bi-clirome i'ibbon mechanism and makes provision for printing from ditferent zones of a ribbon, as, for instance, black and red, when a printing operation by depression of a so-called silent ykey is effected.

The invention is shown as applied to the organization disclosed in the patent of J. F. McBirney, No. 1,010,290, of November 28, 1911, and may therefore be considered, in a sense, as an improvement upon the construction disclosed in that patent.

The invention comprises in connection with ribbon mechanism of variable extent of movement, f an organization in which the ordinary printing lkeys are connected with the universal bar by permanent mechanical connections, and in which the silent or accent keys are connected by permanent mechanical connections, with transversely arranged means for operating the ribbon vibrator without actuating the escapement. The ribbon mechanisin is adapted to be adjusted to print from either the upper or lower Zone of the ribbon.

Inethe accompanying drawing: Figure 1I lis an elevation of the right hand side of the machine with the side plate removed and some parts in section: Figs. 2, 3 and 4, respectively, side elevations of the ribbon mechanism as seen at the right hand end of Fig. 1, the parts being shown in varying positions: and Fig. 5, a rear view showing the universal bar, its suspending frame and some parts carried thereby.

S0 far as the machine illustrated corresponds with that shown in the above inentioned patent of McBirney it will .not be de scribed. It is thought to be sufficient to describe in detail only those changes that constitute the present invention.

lTurning on the transverse shaft 1 are pendant arms 2, 3, located'respectively adjacent the sides of the machine. These arms areconnected intermediate their length by a cross 4 and between their ends e'tends the universal bar 5. Intermediate the pendant arms 2, 3, there is fixed on bars 4:l and a vertical plate 6, on the 'upper end of which j extending above the bar 4 is pivot-ed ay swinging pendant plate 7 recessed or cut faway at 8 to afford clearance for the bar 4.

The pivot bolt 9 of the arm 7 has 'Wound around it a spring 10 one end of which is engaged with the edge of the Xed plate 6.

and the other with the swinging arm 7, the reaction of the spring being such as to cause the arm adjacent its lower end to be held in contact with an adjustable screw stop 11 carried by a right-angular extension 6 ofl the fixed plate 6. The swinging 4plate 7 is oifset, as ,seen in Fig. 5, so that there is between it and the fixed plate 6 a substantial space 62. F iXed to the swing-v ing plate 7 by means of a clamp nut 1:2 is a bolt 13 that passes through the swinging plate and projects into or across the space between the plates 7 and 6. This bolt or pin is circular except that it is cut away or fiattened on one side.

Above the adjustable stop 11, the lplate 7 has a forwardly projecting part 7 adapted to be engaged by a wiper 14 that connects the transverse rock shaft 15 of the silent key devices and the shaft 16 around lwhich the silent key links 17 are hooked. As shown in the above mentioned McBirney patent the rock shaft 15 has its bearings in brackets 15 on the frame of the machine and has fixed to it a plurality of arms 14 which carry in their ends the transverse' rod v16. 'The rod 16 eX- tends onieither side of the longitudinal center of the machine, and may receive the hooked ends of a plurality of silent key links 17'. The arrn '14 disposed at the center of the machineis'herein calledl a wiper arm and actsl directly onthe projection`7. of the swinging plate 7. Instead of a transverse rod 16 (and eis-disclosed in the McBirney patent) there may be4 securedto` the rock shaft thel above mentioned wiper arm .and on'each side thereof'y as many. arms as are required for the silent keyl 'links-#olie forv each link. Similar links f5. corresponding @intiem @if "is 1 meurt ef he'rbeon Vbrefser to cause prime-justimg like bleek e Werd B. Hess., n 'eeineneee in the `fesivegr mvres ehe ribben. epeezeg bell meek when either zene @ffm fieber@ is being geimed imm:

'En FE, el?. *ehe peres eee ehm/wm in 11er me?. position.,

ln Fg, ehe unvese bei is shown. es hevmg moved owel'd and he eetuelg projecten 13 has just engaged the Surface A2.5 of the levee mm 20 and is ehem; e@ move it endwse. te eeee operation. of the 'ebon. vibrate?. f 4

Fim. ehe parte ae shown in be :eermel peston, the salme as ite l: wlqeeesv n Fig. 35 Sabe pam; est Wpex." le carrie@ by the mak shaft i5 am?. transverse sha'f; ehe silent key meehaxsm has moved. efwar am@ eeted apen the pejeeieie 7" ef Swinging plate 7 and brough; she ee'euan mjeeeen 13 into engegemen: #vi eure'. v v` w; ma

W he wie peers thai picn'ngf the rile-Teen mejyu ei i en L; the sen Wel es ou Ehe rememde: ef ehe of 'me meeeee, m che meneer efe-@Wn 1n tee above .meeened peem'; of E- War E. ethe'ewee eeuser, when ehe 'umvem he? drawn fowerd, the lewe? en e'wnglg @hte Y' is in contarle with the ed- 3 eele Sez; 'il and is; therefore @arri/3. y W 5 u, i'versa een Ta/*hem hew ie minet- 'by Wiper' "Le its 1eme remain se'tee y pege ie move a. ,y with the Stop Screw., l/Leu e. e on 'the ewncg'ng ueivesa be? fle-me is im upwardly extending erm (n: plate meenec's Wh be seep sexew ZT of eseefemeei weke? amm 28 when? hereme libe univ-amai ein' is dlewq for Werd, the eecapemel eperaee., "when, howe'vezyf, printing 'ff-em sent keys is being eeeef "me eseepemellz remains nopem'ave.

. A'ypewrtng machine eomplisng' the eembmzon ef type bers, type bef operetng eemeeens, keys ''eref0117 moet of the keys being odneej/ pntng keys and some of them silent5a keys, e swinging universel bm?, permanent meehenee operaug conN sections emectng #ghe orclmry printing keys m the universa' bei', silent key devices and pemalent ope'ave conneetos eenneetng 'the same with ehe sent keys, behreme bbon mechanism, means fel" au; jlszngi. to effect priming; from. eifiher en upper er owe'f Zone of a ribbon means whereby pning may be e'ee'ed at will from either zone' of the ribbon Whenever e sent key or en. ordinary pntng key' is operated. i Y@ n. e 'ypewrizlg machine having ordi-- nary printing keys Whose operaten is am eempanied by feed ef seut g; H Wheee @praemien 1s meeeom" pzmee by 3. ,e of the carriage, b-eheme ribbon mechanism, e, ewngng unverse bei? frame, a, Swinging pate pivoteel on. the un- Vesel bal' frame and eap'ed. foe ect apen the .behiome ribbon mechanism when the univefsel bar frame s opereed and also independently of mevemen': of bhe unwf'eeei bei' and; e page@ eetuaee by elle see keys te neve said swinging and effect ee-lleen lieben mecha nen Yzhout L /l bhe universal bei;

le e ypem deg meene having e nary printing emi silem keys, cambian/en ef univefee be?? e ewegng Q) 'M my efl ehe 1miviewer me exe the the cal'ege and ag plate without actuation 'of the universal garwhen.si1ent keys of the machine are .operatedj a typewriting .comprising pendent arms'in which the universal bar 1sA mounted, a transverse r'od conn 'ncctingsaid arms above the universal bar,

a'ixed (plate carried 4by the universal bar and'sai transversebar,A a swinging plate fpivoted on the xed plate and adapted to movewith and also yindependently' thereof for the purposes describe 5.v The combination with ribbonfmecha- -nism of a typew'ritin'g machine of a univerv machine, the combination' ofa universal bar, a, swinging frame pressed, and means for operatin salbar-and a ribbon-mechanism actuating,

member mounted on theuniversal bar and movabletherewith. to a'etuate the ribbon mechanism Whenever a printing key is desaid actuating-member independently o versl bar Whenever a silent key is depressed.l

4In testimony whereof, I have hereunto subscribed myname.

y EDWARD B. Hass.-

Witnesses:

Z. C. MYERS, p

GEORGE F. HANDLEY.

the unl 

